James, S.W., Youden, K.E., Jeffrey, P.M., Eason, R.W., Chandler, P.J., Zhang, L. and Townsend, P.D.
Waveguide mutually pumped phase conjugators.
Applied Optics, 32, (27), . (doi:10.1364/AO.32.005299).
The operation of the Bridge Mutually Pumped Phase Conjugator is reported in a planar waveguide structure in photorefractive BaTiO3. The waveguide was fabricated by the technique of ion implantation. using 1.5 MeV H+ at a dose of 10^16 ions/cm^2. An order of magnitude decrease in response time is observed in the waveguide as compared to typical values obtained in bulk crystals, probably resulting from a combination of the optical confinement within the waveguide, and possibly modification of the charge transport properties induced by the implantation process.
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